activity_main.xml
xmlns:tools=http://schemas.android.com/tools
android:layout_width=match_parent
android:layout_height=match_parent
android:paddingBottom=@dimen/activity_vertical_margin
android:paddingLeft=@dimen/activity_horizontal_margin
android:paddingRight=@dimen/activity_horizontal_margin
android:paddingTop=@dimen/activity_vertical_margin
tools:context=.MainActivity >
android:id=@+id/button1
android:layout_width=wrap_content
android:layout_height=wrap_content
android:layout_alignParentLeft=true
android:layout_alignParentTop=true
android:layout_marginTop=16dp
android:text=通讯 />
MainActivity.java
public class MainActivity extends Activity implements OnClickListener{
Handler mainHanler,subHandler;
Button btn1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initViews();
mainHanler = new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if(msg.what == 1){
System.out.println(msg.obj.toString());
}
}
};
new WorkThread().start();
}
public void initViews(){
btn1 = (Button) findViewById(R.id.button1);
btn1.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:
//交互
Message msg = Message.obtain();
msg.what = 1;
msg.obj = 儿子,哥来看你啦!;
subHandler.sendMessage(msg);
break;
}
}
public class WorkThread extends Thread{
@Override
public void run() {
Looper.prepare();
subHandler = new Handler(){
@Override
public void handleMessage(Message msg) {
if(msg.what == 1){
//承受音讯
System.out.println(msg.obj.toString());
}
//发音讯给主线程
Message m = Message.obtain();
m.what = 1;
m.obj = 老爸我来啦!;
mainHanler.sendMessage(m);
}
};
Looper.loop();
}
}
}
